Baotian BT49QT-9F1 50 4T 2009. Baotian BT49QT-9F1 50 4T 2010. Baotian BT49QT-9F1 50 4T 2011. Baotian BT49QT-9F1 50 4T 2012. Baotian BT49QT-9F1 50 4T 2013. Baotian BT49QT-9F1 50 4T 2014. Unthrottled Racing CDI (DC) for GY6 50/125/150cc 4-stroke vehicles from China.